Kwak Ja-hyung

as Kim Jin-ung's Father (1 episode)

as Roh Su-kwang (11 episodes)

as Detective Park

as Nie Weiping

as Ko Jeong-hae (12 episodes)

as Du-won

as Jang No-wan (6 episodes)

as Maeng-ju

as Special assistant

as Colonel Lee

as Restaurant owner (1 episode)

as Hwang

as Mr. Wang

as Seok-cheol [private driver] (2 episodes)

as Man-seok (4 episodes)

as Choi Joon-woong (2 episodes)

as Detective

as CEO Moon (12 episodes)

as Player 278 (4 episodes)

as Sang-gon (1 episode)

as Geologist

as PD

as Boar (voice)

as Chief

as Chief / Coast Guard (2 episodes)